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Difference between style = “position:absolute” and style = “position:relative”
...bsolute positioning means that the element is taken completely out of the normal flow of the page layout. As far as the rest of the elements on the page are concerned, the absolutely positioned element simply doesn't exist. The element itself is then drawn separately, sort of "on top" of everything ...
Check difference in seconds between two times
Hi all I am currently working on a project where when a certain event happens details about the event including the time that the event occurred is added into a list array.
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View inside ScrollView doesn't take all place
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Try adding android:fillViewport="true"to your ScrollView
remember that android:layout_height=”fill_parent” means “set the height to the height of the parent.” This is obviously not what you want when using a ScrollView. After all, the Scroll...
python multithreading wait till all threads finished
...all to join blocks until thread finishes execution. You will have to wait for all of the threads anyway. If t1 finishes first you will start waiting on t2 (which might be finished already and you will immediately proceed to wait for t3). If t1 took the longest to execute, when you return from it bot...
Compute a confidence interval from sample data
I have sample data which I would like to compute a confidence interval for, assuming a normal distribution.
4 Answers
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How to declare an ArrayList with values? [duplicate]
ArrayList or List declaration in Java has questioned and answered how to declare an empty ArrayList but how do I declare an ArrayList with values?
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What are best practices for validating email addresses on iOS 2.0
...in great detail that the grammar specified in RFC 5322 is too complicated for primitive regular expressions.
I recommend a real parser approach like MKEmailAddress.
As quick regular expressions solution see this modification of DHValidation:
- (BOOL) validateEmail: (NSString *) candidate {
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variable === undefined vs. typeof variable === “undefined”
The jQuery Core Style Guidelines suggest two different ways to check whether a variable is defined.
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What's the 'environment' task in Rake?
According to " Custom Rake Tasks ":
3 Answers
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PHP abstract properties
...only declare properties because they are containers of data reserved in memory on initialization.
A function on the other hand can be declared (types, name, parameters) without being defined (function body missing) and thus, can be made abstract.
"Abstract" only indicates that something was decla...